Finding the Fourth Proportional to 310,981.68, 429,152.04 and 176,845.68
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Solution
The fourth proportional to 310,981.68, 429,152.04 and 176,845.68 is: 244,045.52
Step by Step Solution
- Step 1: Write the proportion equation
310,981.68 : 429,152.04 = 176,845.68 : x - Step 2: Convert to fraction form
310,981.68/429,152.04 = 176,845.68/x - Step 3: Cross multiply
310,981.68x = 429,152.04 × 176,845.68 - Step 4: Simplify right side
310,981.68x = 75,893,684,337.19 - Step 5: Solve for x
x = 75,893,684,337.19/310,981.68 - Step 6: Final answer
x = 244,045.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.